<!DOCTYPE html>
<html>
<head>
<title>ID选择器</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">

<link rel="stylesheet" href="2.css" type="text/css"></link>

</head>

<body>
	<!-- 类选择器 -->
	<p title="">HELLO</p>
	<a href="www.baidu.com">百度</a>
	<br />
	<a href="www.360safe.com">360安全卫士</a>
	<p title="fir">完全匹配测试fir</p>
	<p title="firs">完全匹配测试firs</p>
	<p title="first">完全匹配测试first</p>
	<p title="first second">完全匹配测试first second</p>
</body>
</html>
